47 #define K0		26  macro
258 	UASM_i_LA(&p, K0, ST0_EXL | KSU_USER | ST0_BEV | ST0_KX_IF_64);  in kvm_mips_build_vcpu_run()
259 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_vcpu_run()
263 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, guest_ebase), K1);  in kvm_mips_build_vcpu_run()
264 	build_set_exc_base(&p, K0);  in kvm_mips_build_vcpu_run()
271 	uasm_i_addiu(&p, K0, ZERO, ST0_EXL | KSU_USER | ST0_IE | ST0_KX_IF_64);  in kvm_mips_build_vcpu_run()
273 	uasm_i_or(&p, K0, K0, V0);  in kvm_mips_build_vcpu_run()
274 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_vcpu_run()
310 		UASM_i_MFC0(&p, K0, C0_PWBASE);  in kvm_mips_build_enter_guest()
312 		UASM_i_MFC0(&p, K0, c0_kscratch(), pgd_reg);  in kvm_mips_build_enter_guest()
313 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_pgd), K1);  in kvm_mips_build_enter_guest()
336 	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_enter_guest()
337 	uasm_i_ins(&p, K0, V1, MIPS_GCTL0_GM_SHIFT, 1);  in kvm_mips_build_enter_guest()
338 	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_enter_guest()
362 	UASM_i_MFC0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_enter_guest()
363 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),  in kvm_mips_build_enter_guest()
376 	UASM_i_LW(&p, K0, 0, T3);  in kvm_mips_build_enter_guest()
388 	uasm_i_and(&p, K0, K0, T2);  in kvm_mips_build_enter_guest()
390 	uasm_i_andi(&p, K0, K0, MIPS_ENTRYHI_ASID);  in kvm_mips_build_enter_guest()
394 	uasm_i_mtc0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_enter_guest()
404 		if (i == K0 || i == K1)  in kvm_mips_build_enter_guest()
411 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, hi), K1);  in kvm_mips_build_enter_guest()
412 	uasm_i_mthi(&p, K0);  in kvm_mips_build_enter_guest()
414 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, lo), K1);  in kvm_mips_build_enter_guest()
415 	uasm_i_mtlo(&p, K0);  in kvm_mips_build_enter_guest()
419 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, gprs[K0]), K1);  in kvm_mips_build_enter_guest()
459 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu, arch.gprs[K0]), K1);  in kvm_mips_build_tlb_refill_exception()
469 	uasm_i_lddir(&p, K0, K1, 3);  /* global page dir */  in kvm_mips_build_tlb_refill_exception()
471 	uasm_i_lddir(&p, K1, K0, 1);  /* middle page dir */  in kvm_mips_build_tlb_refill_exception()
489 	build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */  in kvm_mips_build_tlb_refill_exception()
491 	build_get_pgde32(&p, K0, K1); /* get pgd in K1 */  in kvm_mips_build_tlb_refill_exception()
496 	build_get_ptep(&p, K0, K1);  in kvm_mips_build_tlb_refill_exception()
497 	build_update_entries(&p, K0, K1);  in kvm_mips_build_tlb_refill_exception()
507 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu, arch.gprs[K0]), K1);  in kvm_mips_build_tlb_refill_exception()
546 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, gprs[K0]), K1);  in kvm_mips_build_exception()
594 		if (i == K0 || i == K1)  in kvm_mips_build_exit()
622 	UASM_i_MFC0(&p, K0, C0_EPC);  in kvm_mips_build_exit()
623 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, pc), K1);  in kvm_mips_build_exit()
625 	UASM_i_MFC0(&p, K0, C0_BADVADDR);  in kvm_mips_build_exit()
626 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_cp0_badvaddr),  in kvm_mips_build_exit()
629 	uasm_i_mfc0(&p, K0, C0_CAUSE);  in kvm_mips_build_exit()
630 	uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch, host_cp0_cause), K1);  in kvm_mips_build_exit()
633 		uasm_i_mfc0(&p, K0, C0_BADINSTR);  in kvm_mips_build_exit()
634 		uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch,  in kvm_mips_build_exit()
639 		uasm_i_mfc0(&p, K0, C0_BADINSTRP);  in kvm_mips_build_exit()
640 		uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch,  in kvm_mips_build_exit()
651 	uasm_i_or(&p, K0, V0, AT);  in kvm_mips_build_exit()
653 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_exit()
656 	UASM_i_LA_mostly(&p, K0, (long)&ebase);  in kvm_mips_build_exit()
657 	UASM_i_LW(&p, K0, uasm_rel_lo((long)&ebase), K0);  in kvm_mips_build_exit()
658 	build_set_exc_base(&p, K0);  in kvm_mips_build_exit()
694 		UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),  in kvm_mips_build_exit()
696 		UASM_i_MTC0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_exit()
716 	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_exit()
717 	uasm_i_ins(&p, K0, ZERO, MIPS_GCTL0_GM_SHIFT, 1);  in kvm_mips_build_exit()
718 	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_exit()
721 	uasm_i_sw(&p, K0,  in kvm_mips_build_exit()
762 	kvm_mips_build_restore_scratch(&p, K0, SP);  in kvm_mips_build_exit()
765 	UASM_i_LA_mostly(&p, K0, (long)&hwrena);  in kvm_mips_build_exit()
766 	uasm_i_lw(&p, K0, uasm_rel_lo((long)&hwrena), K0);  in kvm_mips_build_exit()
767 	uasm_i_mtc0(&p, K0, C0_HWRENA);  in kvm_mips_build_exit()
860 	uasm_i_or(&p, K0, V1, AT);  in kvm_mips_build_ret_to_guest()
861 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_ret_to_guest()
900 	uasm_i_sra(&p, K0, V0, 2);  in kvm_mips_build_ret_to_host()
901 	uasm_i_move(&p, V0, K0);  in kvm_mips_build_ret_to_host()
911 	UASM_i_LA_mostly(&p, K0, (long)&hwrena);  in kvm_mips_build_ret_to_host()
912 	uasm_i_lw(&p, K0, uasm_rel_lo((long)&hwrena), K0);  in kvm_mips_build_ret_to_host()
913 	uasm_i_mtc0(&p, K0, C0_HWRENA);  in kvm_mips_build_ret_to_host()